septennial — adjective Etymology: Late Latin septennium period of seven years, from Latin septem + ennium (as in biennium) Date: 1640 1. occurring or being done every seven years 2. consisting of or lasting for seven years • septennially adverb … New Collegiate Dictionary

COMMANDMENTS, THE 613 — (Heb. תַּרְיַ״ג מִצְווֹת, taryag mitzvot). The total number of biblical commandments (precepts and prohibitions) is given in rabbinic tradition as 613. R. Simlai, a Palestinian teacher, states: 613 commandments were revealed to Moses at Sinai,… … Encyclopedia of Judaism